\(\left(2061+4809\right):1374\)
\(=6870:1374\)
\(=5\)
[(315+372).3+(372+315).7]: (26.13+74.14)[(315+372).3+(372+315).7]: (26.13+74.14)
=[(7+3)(315+372)]:(2.13.13+2.7.74)=[(7+3)(315+372)]:(2.13.13+2.7.74)
= (10.687):[2(13.13+7.74)]= (10.687):[2(13.13+7.74)]
=(10.687):(2.687)=(10.687):(2.687)
=6870:1374=6870:1374
=5